Kazimierz Lutosławski (March 4, 1880, Drozdowo, Podlaskie Voivodeship - January 5, 1924, Drozdowo, Poland) was a Polish physician, priest and Polish Scouting founder - activist.
Lutosławski designed the Krzyż Harcerski (Polish Scouting Cross).
Polish composer Witold Lutosławski was his nephew.